package com.itheima.filter;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import java.io.IOException;


//@WebFilter("/*")
public class ABCFilter implements Filter {
    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        System.out.println("ABC拦截前执行");
        filterChain.doFilter(servletRequest,servletResponse);
        System.out.println("ABC拦截后执行");

    }
}
